1423520044412 has 48 divisors (see below), whose sum is σ = 2609982665472. Its totient is φ = 678063450240.

The previous prime is 1423520044367. The next prime is 1423520044469. The reversal of 1423520044412 is 2144400253241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55469888 + ... + 55495544.

It is an arithmetic number, because the mean of its divisors is an integer number (54374638864).

Almost surely, 2^{1423520044412} is an apocalyptic number.

It is an amenable number.

1423520044412 is a deficient number, since it is larger than the sum of its proper divisors (1186462621060).

1423520044412 is a wasteful number, since it uses less digits than its factorization.

1423520044412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28098 (or 28096 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1423520044412 its reverse (2144400253241), we get a palindrome (3567920297653).

The spelling of 1423520044412 in words is "one trillion, four hundred twenty-three billion, five hundred twenty million, forty-four thousand, four hundred twelve".